Fade out segment controls which will likely not be needed

This was done to give some hints which controls will likely need to be
used to avoid mistakenly clicking on the action controls when editing
conditions.

src/headers/advanced-scene-switcher.hpp

@@ -153,6 +153,11 @@ public slots:
 	void RemoveMacroCondition(int idx);
 	void MoveMacroConditionUp(int idx);
 	void MoveMacroConditionDown(int idx);
+	void FadeOutActionControls();
+	void FadeOutConditionControls();
+	void ResetOpacityActionControls();
+	void ResetOpacityConditionControls();
+	void HighlightControls();
 	void HighlightMatchedMacros();
 	void MacroDragDropReorder(QModelIndex, int, int, QModelIndex, int);